Annotation of src/include/stdlib.h, Revision 1.48
1.48 ! miod 1: /* $OpenBSD: stdlib.h,v 1.47 2010/05/18 22:24:55 tedu Exp $ */
1.2 deraadt 2: /* $NetBSD: stdlib.h,v 1.25 1995/12/27 21:19:08 jtc Exp $ */
1.1 deraadt 3:
4: /*-
5: * Copyright (c) 1990 The Regents of the University of California.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.25 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)stdlib.h 5.13 (Berkeley) 6/4/91
33: */
34:
35: #ifndef _STDLIB_H_
36: #define _STDLIB_H_
37:
1.35 millert 38: #include <sys/cdefs.h>
1.36 millert 39: #include <machine/_types.h>
40: #if __BSD_VISIBLE /* for quad_t, etc. (XXX - use protected types) */
1.1 deraadt 41: #include <sys/types.h>
42: #endif
43:
1.36 millert 44: #ifndef _SIZE_T_DEFINED_
45: #define _SIZE_T_DEFINED_
46: typedef __size_t size_t;
1.1 deraadt 47: #endif
48:
1.11 espie 49: /* in C++, wchar_t is a built-in type */
1.36 millert 50: #if !defined(_WCHAR_T_DEFINED_) && !defined(__cplusplus)
51: #define _WCHAR_T_DEFINED_
52: typedef __wchar_t wchar_t;
1.1 deraadt 53: #endif
54:
55: typedef struct {
56: int quot; /* quotient */
57: int rem; /* remainder */
58: } div_t;
59:
60: typedef struct {
61: long quot; /* quotient */
62: long rem; /* remainder */
63: } ldiv_t;
64:
1.37 millert 65: #if __ISO_C_VISIBLE >= 1999
66: typedef struct {
67: long long quot; /* quotient */
68: long long rem; /* remainder */
69: } lldiv_t;
70: #endif
71:
1.35 millert 72: #if __BSD_VISIBLE
1.1 deraadt 73: typedef struct {
74: quad_t quot; /* quotient */
75: quad_t rem; /* remainder */
76: } qdiv_t;
77: #endif
78:
79:
80: #ifndef NULL
1.10 espie 81: #ifdef __GNUG__
82: #define NULL __null
83: #else
1.48 ! miod 84: #define NULL ((void *)0)
1.10 espie 85: #endif
1.1 deraadt 86: #endif
87:
88: #define EXIT_FAILURE 1
89: #define EXIT_SUCCESS 0
90:
91: #define RAND_MAX 0x7fffffff
92:
1.33 espie 93: extern size_t __mb_cur_max;
94: #define MB_CUR_MAX __mb_cur_max
1.1 deraadt 95:
96: #include <sys/cdefs.h>
97:
1.18 millert 98: /*
99: * Some header files may define an abs macro.
100: * If defined, undef it to prevent a syntax error and issue a warning.
101: */
102: #ifdef abs
103: #undef abs
104: #warning abs macro collides with abs() prototype, undefining
105: #endif
106:
1.1 deraadt 107: __BEGIN_DECLS
1.16 millert 108: __dead void abort(void);
109: int abs(int);
1.17 millert 110: int atexit(void (*)(void));
1.16 millert 111: double atof(const char *);
112: int atoi(const char *);
113: long atol(const char *);
1.17 millert 114: void *bsearch(const void *, const void *, size_t, size_t,
115: int (*)(const void *, const void *));
1.16 millert 116: void *calloc(size_t, size_t);
117: div_t div(int, int);
1.23 millert 118: char *ecvt(double, int, int *, int *);
1.16 millert 119: __dead void exit(int);
1.30 millert 120: __dead void _Exit(int);
1.23 millert 121: char *fcvt(double, int, int *, int *);
1.16 millert 122: void free(void *);
1.23 millert 123: char *gcvt(double, int, char *);
1.16 millert 124: char *getenv(const char *);
125: long labs(long);
126: ldiv_t ldiv(long, long);
127: void *malloc(size_t);
1.47 tedu 128: int posix_memalign(void **, size_t, size_t);
1.17 millert 129: void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
1.16 millert 130: int rand(void);
131: void *realloc(void *, size_t);
132: void srand(unsigned);
133: double strtod(const char *, char **);
1.42 landry 134: float strtof(const char *, char **);
1.16 millert 135: long strtol(const char *, char **, int);
1.45 martynas 136: long double
137: strtold(const char *, char **);
1.1 deraadt 138: unsigned long
1.16 millert 139: strtoul(const char *, char **, int);
140: int system(const char *);
1.1 deraadt 141:
142: /* these are currently just stubs */
1.16 millert 143: int mblen(const char *, size_t);
144: size_t mbstowcs(wchar_t *, const char *, size_t);
145: int wctomb(char *, wchar_t);
146: int mbtowc(wchar_t *, const char *, size_t);
147: size_t wcstombs(char *, const wchar_t *, size_t);
1.1 deraadt 148:
1.35 millert 149: /*
150: * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
151: */
152: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE >= 500 || \
153: defined(_REENTRANT)
154: int rand_r(unsigned int *);
155: #endif
156:
157: #if __BSD_VISIBLE || __XPG_VISIBLE >= 400
158: double drand48(void);
159: double erand48(unsigned short[3]);
160: long jrand48(unsigned short[3]);
161: void lcong48(unsigned short[7]);
162: long lrand48(void);
163: long mrand48(void);
164: long nrand48(unsigned short[3]);
165: unsigned short *seed48(unsigned short[3]);
166: void srand48(long);
167:
1.46 millert 168: int putenv(char *);
1.35 millert 169: #endif
170:
171: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
172: long a64l(const char *);
173: char *l64a(long);
174:
175: char *initstate(unsigned int, char *, size_t)
176: __attribute__((__bounded__ (__string__,2,3)));
177: long random(void);
178: char *setstate(const char *);
179: void srandom(unsigned int);
180:
181: int mkstemp(char *);
182: char *mktemp(char *);
183:
184: char *realpath(const char *, char *);
185:
186: int setkey(const char *);
187:
188: int ttyslot(void);
189:
190: void *valloc(size_t); /* obsoleted by malloc() */
191: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
192:
193: /*
194: * ISO C99
195: */
1.37 millert 196: #if __ISO_C_VISIBLE >= 1999
1.35 millert 197: long long
198: atoll(const char *);
199: long long
200: llabs(long long);
1.39 djm 201: lldiv_t
202: lldiv(long long, long long);
1.35 millert 203: long long
204: strtoll(const char *, char **, int);
205: unsigned long long
206: strtoull(const char *, char **, int);
207: #endif
208:
209: /*
210: * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
211: */
212: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 600
213: int setenv(const char *, const char *, int);
1.46 millert 214: int unsetenv(const char *);
1.35 millert 215: #endif
216:
217: #if __BSD_VISIBLE
1.43 ragge 218: void *alloca(size_t);
1.1 deraadt 219:
1.16 millert 220: char *getbsize(int *, long *);
221: char *cgetcap(char *, const char *, int);
222: int cgetclose(void);
223: int cgetent(char **, char **, const char *);
224: int cgetfirst(char **, char **);
225: int cgetmatch(char *, const char *);
226: int cgetnext(char **, char **);
227: int cgetnum(char *, const char *, long *);
228: int cgetset(const char *);
229: int cgetusedb(int);
230: int cgetstr(char *, const char *, char **);
231: int cgetustr(char *, const char *, char **);
232:
233: int daemon(int, int);
1.38 deraadt 234: char *devname(int, mode_t);
1.16 millert 235: int getloadavg(double [], int);
1.1 deraadt 236:
1.16 millert 237: void cfree(void *);
1.1 deraadt 238:
1.24 millert 239: #ifndef _GETOPT_DEFINED_
240: #define _GETOPT_DEFINED_
1.16 millert 241: int getopt(int, char * const *, const char *);
1.1 deraadt 242: extern char *optarg; /* getopt(3) external variables */
1.35 millert 243: extern int opterr, optind, optopt, optreset;
1.16 millert 244: int getsubopt(char **, char * const *, char **);
1.1 deraadt 245: extern char *suboptarg; /* getsubopt(3) external variable */
1.24 millert 246: #endif /* _GETOPT_DEFINED_ */
1.1 deraadt 247:
1.35 millert 248: char *mkdtemp(char *);
249: int mkstemps(char *, int);
250:
1.17 millert 251: int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
252: int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
253: int radixsort(const unsigned char **, int, const unsigned char *,
254: unsigned);
255: int sradixsort(const unsigned char **, int, const unsigned char *,
256: unsigned);
1.1 deraadt 257:
1.16 millert 258: void srandomdev(void);
1.35 millert 259: long long
260: strtonum(const char *, long long, long long, const char **);
1.16 millert 261:
262: void setproctitle(const char *, ...)
1.15 krw 263: __attribute__((__format__ (__printf__, 1, 2)));
1.1 deraadt 264:
1.16 millert 265: quad_t qabs(quad_t);
266: qdiv_t qdiv(quad_t, quad_t);
267: quad_t strtoq(const char *, char **, int);
268: u_quad_t strtouq(const char *, char **, int);
269:
270: u_int32_t arc4random(void);
271: void arc4random_stir(void);
1.28 avsm 272: void arc4random_addrandom(unsigned char *, int)
273: __attribute__((__bounded__ (__string__,1,2)));
1.41 otto 274: u_int32_t arc4random_uniform(u_int32_t);
275: void arc4random_buf(void *, size_t)
276: __attribute__((__bounded__ (__string__,1,2)));
277:
1.35 millert 278: #endif /* __BSD_VISIBLE */
1.1 deraadt 279:
280: __END_DECLS
281:
282: #endif /* _STDLIB_H_ */